“In the desert regions of Africa and Arabia, the temperatures sometimes reach 50 °C,” explains Sanaobar. This causes the mortar to dry out very quickly. Deploying dispersible polymer powders would prolong the pot life of the dry-mix mortar considerably, by 10 to 15 minutes, while at the same time reducing the formulation costs for many customers.
In Europe, by contrast, there are different priorities due to the different construction methods. Cost pressures here are high, too, but so are the wages, and machinery is widely used. The building professionals in the developed industrial nations figure that the way to lower the costs there is to have fewer working steps. So, the approach is to devise building materials and additives that make products easier to use on site. Premixed polymer-modified dry-mix mortars meet this need, because they do not have to be mixed on the building site. That saves time and rules out the risk of mistakes during preparation. The more unskilled or semiskilled workers there are working on the site, the greater that risk is.